What do we do next, not only in the fight to stop Obamacare but, more generally, to advance a larger, positive vision of America and craft a practical plan to get us there?

One of conservatives’ defining virtues is our insistence on learning from history. And in recent weeks, I have come to believe the most instructive history that conservatives can learn from today is our own: in particular, the history of the conservative movement and the Republican party in the late 1970s. In this history, conservatives today can find hope and encouragement, but also an urgent challenge.